“Pornographic book” in Japanese
Short answer
Pornographic book in Japanese is “春本” (shunpon). Full meaning: pornographic book.
Other ways to say “Pornographic book” in Japanese
好色本
koushokubon pornographic book (Edo period)
好色物
koushokumono pornographic book (Edo period)
秘本
hihon treasured book, secret book, pornographic book
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